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TROUBLESHOOTING SUPPLEMENTAL RESTRAINT SYSTEM (SRS) 52B-211 and body earth. OK: Open circuit Q: Is the check result normal? YES : Check the other circuit which flows through fuse number 15. NO : Repair the wiring harness between junction STEP 6. Check whether the diagnosis code is Q: Is diagnosis code B1476 set? YES : ). NO : An intermittent malfunction is suspected Code No.B1477: Power supply voltage (IG1 (B) voltage) drops abnormally. AC801171 IGNITION SRS-ECU Wire colour code SRS-ECU Power Supply Circuit AC OPERATION • The SRS-ECU is powered from the ignition switch (IG1). • The SRS-ECU power is supplied from two cir- cuits. Even if one circuit is shut off, the air bag DIAGNOSIS CODE SET CONDITIONS PROBABLE CAUSES • Damaged wiring harnesses or connectors • Malfunction of the SRS-ECU |